added wx(U)int64, then added it to wxDataStream so contrib should

(hopefully) now build on alpha, ia64, s/390 without the kludge
from 2.2


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12701 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/datstrm.cpp

@@ -37,6 +37,18 @@ wxDataInputStream::~wxDataInputStream()
 {
 }
 
+wxUint64 wxDataInputStream::Read64()
+{
+  wxUint64 i64;
+
+  m_input->Read(&i64, 8);
+
+  if (m_be_order)
+    return wxUINT64_SWAP_ON_LE(i64);
+  else
+    return wxUINT64_SWAP_ON_BE(i64);
+}
+
 wxUint32 wxDataInputStream::Read32()
 {
   wxUint32 i32;
@@ -151,6 +163,12 @@ wxDataInputStream& wxDataInputStream::operator>>(wxUint32& i)
   return *this;
 }
 
+wxDataInputStream& wxDataInputStream::operator>>(wxUint64& i)
+{
+  i = Read64();
+  return *this;
+}
+
 wxDataInputStream& wxDataInputStream::operator>>(double& i)
 {
   i = ReadDouble();
@@ -176,6 +194,17 @@ wxDataOutputStream::~wxDataOutputStream()
 {
 }
 
+void wxDataOutputStream::Write64(wxUint64 i)
+{
+  wxUint64 i64;
+
+  if (m_be_order)
+    i64 = wxUINT64_SWAP_ON_LE(i);
+  else
+    i64 = wxUINT64_SWAP_ON_BE(i);
+  m_output->Write(&i64, 8);
+}
+
 void wxDataOutputStream::Write32(wxUint32 i)
 {
   wxUint32 i32;
@@ -279,6 +308,12 @@ wxDataOutputStream& wxDataOutputStream::operator<<(wxUint32 i)
   return *this;
 }
 
+wxDataOutputStream& wxDataOutputStream::operator<<(wxUint64 i)
+{
+  Write64(i);
+  return *this;
+}
+
 wxDataOutputStream& wxDataOutputStream::operator<<(double f)
 {
   WriteDouble(f);